diff --git a/include/configs/AR405.h b/include/configs/AR405.h
index 864774c..9f19269 100644
--- a/include/configs/AR405.h
+++ b/include/configs/AR405.h
@@ -67,6 +67,7 @@
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
 #define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/
 
+#define CONFIG_PPC4xx_EMAC
 #define CONFIG_MII		1	/* MII PHY management		*/
 #define CONFIG_PHY_ADDR		0	/* PHY address			*/
 #define CONFIG_LXT971_NO_SLEEP  1       /* disable sleep mode in LXT971 */